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- 4K UHD Ultra-Short-Throw: 3840x2160 at 0.496:1 — fills a 100" screen from 3.6 feet.
- 4,000 Lumens Laser: Bright, vivid images even with ambient light.
- 20,000-Hour Laser Life: No bulb replacements, no maintenance (30,000 hrs Eco).
- IP6X Dust Protection: Fully sealed optical engine stays pristine.
- Screen Fill Technology: Switch 16:9, 4:3, 1:1, 5:4, 16:10 instantly.
BenQ LK830ST 4K Laser Ultra-Short-Throw Golf Simulator Projector
The BenQ LK830ST is a 4K UHD ultra-short-throw laser projector built for golf simulators where space is at a premium. At $2,499, it delivers 3840x2160 resolution and 4,000 ANSI lumens with a fixed 0.496:1 throw ratio -- filling a 100-inch screen from just 3.6 feet away.
No more running cables across your room. No swing shadows. No bulb replacements for 20,000+ hours. The LK830ST packs 4K laser performance into a compact 7.93 lb body with IP6X dust protection, Screen Fill aspect ratio switching, and Simulation mode color calibration -- purpose-built for the tightest simulator bays.
Why Golfers Choose the LK830ST
Ultra-Short Throw
Fixed 0.496:1 ratio fills a 100-inch screen from just 3.6 feet. Mount inches from the screen and reclaim your room depth for the swing that matters.
True 4K UHD
3840x2160 resolution with 93% Rec.709 color coverage. Fairways, greens, and data overlays render in razor-sharp detail on screens up to 10 feet tall.
4,000 Lumens Laser
Laser light source rated for 20,000 hours (30,000 in Eco). No bulb changes, no brightness loss. Consistent performance year after year.
IP6X Dust Protection
Fully sealed optical engine blocks dust from degrading the image. No filters to clean. Install it and forget it -- the optics stay pristine.
Screen Fill
Switch between 16:9, 4:3, 16:10, 1:1, and 5:4 native resolutions instantly. Match any simulator software or enclosure setup without losing image detail.
Compact and Lightweight
At just 7.93 lbs and 11 x 4.7 x 9 inches, the LK830ST fits where other 4K projectors cannot. Ceiling, shelf, or floor -- it works anywhere.
Ultra-Short Throw Means Ultra-Short Rooms
The LK830ST's fixed 0.496:1 throw ratio means it projects a large image from an incredibly short distance. Use the formula: distance = 0.496 x screen width. No zoom, no adjustment needed -- just precise placement at the calculated distance.
BenQ's Golf-Sim 3D Planner tool helps determine exact placement before you drill a single hole.
Is the LK830ST Right for Your Build?
Tight Space Builder
Your room is short and you cannot fit a projector 5+ feet back. The LK830ST fills a 120-inch screen from just 4.3 feet -- perfect for basements, garages, and spare bedrooms with limited depth.
4K on a Budget
You want UHD laser quality without the $2,899+ price tag of the AK700ST. The LK830ST delivers the same 4,000-lumen, 4K laser image for $400 less.
Low-Maintenance Priority
You want to install it once and forget it. 20,000 hours of laser life, IP6X dust sealing, no filters to clean, no bulbs to replace. Just golf.
Commercial / Lesson Studio
Teaching pros and commercial facilities need a projector that runs 8+ hours daily without degradation. Laser delivers consistent brightness session after session.
Floor or Shelf Mount Setup
Prefer not to ceiling-mount? The LK830ST's ultra- and compact size make it ideal for floor or shelf placement -- just inches from the screen.
Entertainment Beyond Golf
Your sim room doubles as a home theater. 4K resolution, 4,000 lumens, and HDR10 support mean movie nights, big-screen sports, and gaming look just as sharp as your sim sessions.
Deep blacks. Vivid colors. Every blade of grass, every fairway contour, every data overlay rendered with clarity that makes your simulator feel real.
Key Specifications
BenQ LK830ST vs Other Golf Simulator Projectors
Every projector in this comparison is available from Top Shelf Golf. Your ideal choice depends on resolution, throw distance, and room size.
| Feature | LK830ST ($2,499) | AK700ST ($2,899) | TK710STi ($2,199) | AH30ST ($1,499) |
|---|---|---|---|---|
| Resolution | 4K UHD | 4K UHD | 4K UHD | 1080p |
| Brightness | 4,000 lumens | 4,000 lumens | 3,200 lumens | 3,200 lumens |
| Light Source | Laser (20K hrs) | Laser (20K hrs) | Laser (20K hrs) | LED (30K hrs) |
| Throw Ratio | 0.496:1 UST | 0.69-0.83:1 | 0.69-0.83:1 | 0.49:1 UST |
| Zoom / Lens Shift | Fixed (none) | 1.2x zoom + lens shift | 1.2x zoom + lens shift | Fixed (none) |
| Dust Protection | IP6X | IP5X | No | IP5X |
| Screen Fill | Yes (5 ratios) | No | No | Yes |
| Best For | 4K UST in tight spaces | Premium 4K with flexibility | Affordable 4K laser | Budget UST 1080p |
Get the Most Out of Your LK830ST
Five tips to get a perfect image from day one.
Measure First
With a fixed lens, precise placement is everything. Use BenQ's Golf-Sim 3D Planner tool and the formula distance = 0.496 x screen width to calculate exact projector position before drilling.
Choose Your Mount
Ceiling-mount with the BenQ ceiling mount ($99), or take advantage of the UST design with a shelf or floor mount just inches from the screen.
Use 2D Keystone Sparingly
The LK830ST offers 2D keystone correction (auto vertical ±30 degrees, horizontal ±30 degrees) and Corner Fit. Use these for fine-tuning only -- precise physical placement always yields the sharpest image.
Set Screen Fill
In the menu, select the Screen Fill ratio that matches your enclosure setup. Switch between 16:9, 4:3, 1:1, and more without losing resolution or detail.
Pair with Quality Enclosure
A good enclosure setup makes a measurable difference in image quality. ALR screen material maximizes the LK830ST's 4,000 lumens of laser brightness.
Read the Manual
BenQ's documentation covers every adjustment in detail. Download the LK830ST manual (PDF) for the full setup walkthrough.
4K Laser. Ultra-Short Throw. Your Tightest Room Just Got an Upgrade.
In stock. Ships free via FedEx. Financing available through Affirm.
Add to Cart - $2,499Learn More About Golf Simulator Projectors
Explore our in-depth guides to choose and set up the perfect projector.
4K vs 1080p: Do You Really Need 4K?
When the jump to 4K matters for golf simulators and when 1080p is plenty -- based on screen size and viewing distance.
Short Throw vs Ultra-Short Throw Projector Placement
Where to mount your projector based on throw type, screen size, and room depth. Includes diagrams and measurements.
Best Golf Simulator Projectors in 2026
All 25 models compared side by side -- resolution, lumens, throw ratio, and price to help you pick the right one.
BenQ vs Optoma: Which Projector Fits Your Simulator?
A head-to-head look at the two leading golf simulator projector brands across price, image quality, and throw ratio.
Laser vs Lamp vs LED: Which Light Source Is Best?
Compare projector light sources on brightness, lifespan, color accuracy, and cost to find the right fit for your sim room.
How Many Lumens Do You Need for a Golf Simulator?
A complete brightness guide covering ambient light, screen gain, and the minimum lumens for basements, garages, and dedicated rooms.
Projector Setup Guide: Distance, Mounting & Image Size
Step-by-step instructions for throw distance, ceiling mount placement, keystone correction, and dialing in image size.
Projector + Screen Pairing Guide
How to match your projector to the right impact screen based on throw ratio, gain, resolution, and room dimensions.
Best Projectors for Garage Golf Simulators
Top projector picks for garage setups where ambient light is a challenge. Covers ALR screens, lumens, and light control tips.
Best 4K Golf Simulator Projectors: 9 Models Compared
The top 4K projectors ranked for golf simulators -- comparing true 4K vs pixel-shift, laser vs lamp, and value for money.
Best Projectors Under $2,000
Eight projectors under $2,000 ranked for golf simulator use -- covering lumens, throw ratio, resolution, and input lag.
Best Projectors Under $1,000
Budget-friendly projectors that still deliver a great golf simulator experience. Six models compared on key specs.
Projector Troubleshooting: Fix Common Setup Issues
Solutions for image distortion, hot spots, flickering, lag, and other common projector problems in golf simulators.
True 4K vs Pixel-Shift 4K Projectors
What golf sim owners need to know about native 4K vs pixel-shifting technology and when the difference actually matters.
The Ultimate Guide to Golf Simulator Projectors
Everything you need to know about choosing, setting up, and optimizing a projector for your golf simulator.
Your Purchase is in Good Hands
1-888-871-6110
From the moment you first contact us, we offer the very best advice and service to find the right projector for your room and budget. We do not just sell boxes -- we help you build the sim room you have been planning.
Frequently Asked Questions
The LK830ST has a fixed 0.496:1 ultra-short-throw ratio. For a 100-inch screen, the projector sits approximately 3.6 feet from the screen. For a 120-inch screen, approximately 4.3 feet. For a 150-inch screen, approximately 5.4 feet. This is dramatically closer than standard short-throw projectors like the AK700ST (3.4-4.1 feet for 100 inches).
The LK830ST outputs 4,000 ANSI lumens via a laser light source. This is bright enough for most home and commercial simulator environments, including rooms with some ambient light. For dedicated sim rooms with controlled lighting, the image quality is exceptional. If your room has significant ambient light (large windows, overhead fluorescents), consider blackout curtains for optimal contrast.
No. The LK830ST uses a fixed ultra-short-throw lens with no optical zoom and no mechanical lens shift. This means precise mounting is critical. Use the 2D keystone correction and Corner Fit features for fine-tuning, and BenQ's Golf-Sim 3D Planner tool to determine exact placement before installation.
Yes to both. The BenQ ceiling mount ($99) works with the LK830ST for overhead installation. Its ultra-short-throw design also makes it ideal for floor or shelf-mounted setups where the projector sits low and very close to the screen -- a setup that is impractical with standard-throw projectors.
The LK830ST uses a laser light source rated at 20,000 hours in Normal mode and 30,000 hours in Eco mode. Unlike traditional lamp-based projectors, the laser never needs replacement. At 4 hours of daily use, that is over 13 years of operation in Normal mode with no maintenance.
Both are 4K laser projectors with 4,000 lumens from BenQ. The LK830ST ($2,499) uses a fixed ultra-short-throw lens (0.496:1) that projects from just inches away, ideal for tight spaces. The AK700ST ($2,899) has a 0.69-0.83:1 throw ratio with 1.2x motorized zoom and vertical lens shift, offering more installation flexibility. Choose the LK830ST for the shortest possible throw distance; choose the AK700ST if you need zoom and lens shift flexibility.
4K resolution (3840x2160) provides four times the pixel density of 1080p. On large screens (100 inches and up), the difference is clearly visible in course graphics, green reading, and club data overlays. If you are investing $5,000 or more in a launch monitor and software, a 4K projector ensures the image quality matches the rest of your setup. For tighter budgets, the BenQ AH30ST ($1,499) delivers excellent 1080p UST performance.
Yes. BenQ's Screen Fill feature lets you switch between 16:9, 4:3, 16:10, 1:1, and 5:4 native resolutions. This is important for golf simulators because different software and enclosure setups use different aspect ratios. Screen Fill adjusts the projected image to match your screen without losing detail.
Yes. The LK830ST connects via HDMI 2.0b and works with any simulator software including GSPro, E6 Connect, TGC 2019, Creative Golf 3D, Awesome Golf, and more. It is simply a display device -- compatible with any PC-based or console-based simulator setup.
We ship the LK830ST free via FedEx. Orders typically ship within 1-2 business days when in stock. The projector weighs 7.93 lbs and ships in BenQ's original packaging with all included accessories.
Yes, it has a built-in 15W speaker -- more powerful than the 10W speaker in the AK700ST. For most simulator setups, an external sound system will deliver a better audio experience, but the built-in speaker works for basic use during setup and testing.
Yes. Top Shelf Golf offers financing through Affirm with flexible monthly payment options. Select Affirm at checkout to check your rate -- it takes seconds and won't affect your credit score. 0% APR options may be available depending on eligibility.
Yes. BenQ provides a 3-year limited warranty covering parts, labor, and the laser light source. Top Shelf Golf is an authorized BenQ dealer, so your warranty is fully backed. See our return policy for additional details.
Building a sim room? Browse our complete BenQ projector collection or call us at 1-888-871-6110 for a personalized recommendation based on your room size and budget.
